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THICK WELD INSPECTION (EMAT, PAUT)

Inspection of welds thicker than 6mm (0.25”) with EMAT, UT and PAUT ultrasonic techniques.
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EMAT techniques permit the detection of weld defects with great sensitivity using both Shear Vertical and Shear Horizontal sensors. UT and PAUT permit detection and sizing of defects.

Features

EMAT

  • Non-contact EMAT technique.
  • Permits fast screening without couplant of welds of any thickness.
  • Capable of temperatures from -30ºC to 350ºC.
  • Shear waves with horizontal polarization (SH) permit inspection of austenitic materials without mode conversion.
  • Shear waves with vertical polarization (SV) permit inspection of ferromagnetic materials with similar detection capabilities as piezoelectric UT (no sizing available).
  • Roller kits, encoders and adaptors for different applications.

PAUT

  • Superior focusing and steering capabilities.
  • Both internal and external defects can be detected and sized
  • Permits covering large areas with array transducers.
  • Inspection available from either side of the weld or across the weld in transmission.

Related Instruments

The following instruments are recommended for this application.

SENSORS AND ACCESSORIES

Standard EMAT and DCUT Sensors and Accessories for the most common applications (normal beam, guided waves, angled beam)

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